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2
SPECIFICATIONS
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2. SPECIFICATIONS
2.1 General Specifications
※ SRG-400 MF/HF Radio equipment has been tested according to the IMO Performance Standard for
GMDSS.
◦Frequency range
: Transmitting 1.6MHz ～ 27.5MHz, 100Hz Steps
Receiving 1.6MHz ～ 27.5MHz, 10Hz Steps
◦Frequency stability
: Synthesizer method, Within ±10Hz (0.3ppm max.)
◦Frequency selection
: All ITU channels (maritime service)
Calling 2000 User memory channels (editable on data terminal screen), or
setting frequency directly by keyboard. One-touch selection of 2182㎑
(H3E), 2187.5, 4207.5, 6312, 8414.5, 12577, 16804.5㎑(F1B/J2B).
◦Frequency switching time
: Between channels : within 5 seconds,
Between bands : within 15 seconds
◦Type of emission
: 2182kHz (H3E), USB (J3E), FSK (F1B/J2B), CW (A1A)
◦Communication method
: Simplex and duplex
◦Ambient temperature
: temperature
-15℃ ～ +55℃
humidity
93% at +40℃
oscillation
full amplitude 3.2mm at 5～12.5Hz
full amplitude 0.8mm at 12.5～25Hz
full amplitude 0.2mm at 25～50Hz
◦Power supply
: AC100～120 / 200～240V, 50/60Hz ±6% single-phase, 3.3KVA max.
DC24V-25% ～ +30%, 40A max.
◦Dimensions
: 525(W) X 735(H) X 420(D) (unit : mm)
◦Weight
: 150Kg approx.
2.2 MF/HF Transmitter (TR-326)
◦Frequency range
: 1.6MHz - 27.5MHz
◦Continuous work
: 8 hours continuous work at 1min. transmitting, 4min. stand-by
◦Output power
: using 50 ohm dummy load
a) AC operation
1.6MHz ～ 27.5MHz, 250W pep
b) DC operation
1.6MHz ～ 27.5MHz, 75W (60W pep or more)
◦Output power control
: High (250W), Low (100W)
◦Modulation method
: Low-power stage balanced modulation
◦Frequency stability
: Within ±10Hz (0.3ppm max.)
◦Occupied bandwidth
: Within 3KHz at J3E, H3E
Within 0.5KHz at F1B / J2B, A1A
◦Carrier attenuation
: 40dB or more (at J3E)
◦Spurious attenuation
: at J3E
1.5 ～ 4.5KHz : 31dB or more
4.5 ～ 7.5KHz : 38dB or more
7.5KHz ～ : 43dB or more
